body {
  margin: 0;
  font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "Roboto", "Oxygen",
    "Ubuntu", "Cantarell", "Fira Sans", "Droid Sans", "Helvetica Neue",
    sans-serif;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  background-color: #efefef;
  li,
  p,
  ol,
  ul,
  h1,
  h2,
  h3,
  h4,
  h5,
  h6 {
    padding: 0;
    margin: 0;
  }
  a {
    text-decoration: none;
    color: #333333;
  }
  code {
    font-family: source-code-pro, Menlo, Monaco, Consolas, "Courier New",
      monospace;
  }
}
